CaratHunter
Plans
Heart|Natural|GIA

1.51ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 2497590210

Certificate GIA 2497590210

Diamond specifications and retailer prices

From €5,376 EUR
$6,006 USD
As of October 31, 2026
Save €3,735 EUR (41%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €9,111 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2497590210. Listed at 4 retailers as of October 31, 2026, with prices from €5,376 to €9,111, a €3,735 spread on the same certified stone. MOH London lists it at €9,111. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2497590210
Dimensions7.09 × 8.12 × 4.66 mm
L/W Ratio1.15
Top View
7.09 mm8.12 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2497590210
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 57.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €9,111 EUR|Low: €5,307 EUR|High: €9,221 EUR|Avg: €6,783 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4€5,376 EUR
Retailer 2€5,882 EUR
Retailer 5€6,604 EUR
Retailer 3€6,810 EUR
MOH London€9,111 EUR

33 data points across 5 retailers

4 retailers€5,376 EUR to €9,111 EUR

A
Cheapest Retailer
-
€5,376 EUR
$6,006 USD
B+
Retailer 2
-
€5,882 EUR
£5,174 GBP
View
B+
Retailer 3
-
€6,810 EUR
$7,608 USD
View
Most Expensive
B
MOH London
11D5E2E2A · Nov 1
€9,111 EUR
£8,015 GBP
View
3 more retailers have this diamond
Prices start from €5,376 EURSave up to €3,735 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Heart
€5,376 EUR